<template>
    <div>
           <!-- 面包屑 -->
        <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

<!-- 卡片试图 -->
    <el-card>
        <el-row :gutter="20">

            <el-col :span="8" >
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
             <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
            </el-input>
            </el-col>


            <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>

        </el-row>

        <!-- table表格区域 -->
        <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格（元）" prop="goods_price" width="90px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="180px">
            <template slot-scope="scope">
                {{scope.row.add_time | dateFormat}}
            </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
                <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.goods_id)"></el-button>
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
        </el-table-column>
        </el-table>

        <!-- 分页 -->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
 :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
 :total="total" background>
            </el-pagination>

<!-- 编辑商品对话框 -->
            <el-dialog title="修改商品" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
            <el-form-item label="商品名称" prop="goods_name" label-width="90px">
                <el-input v-model="editForm.goods_name" ></el-input>
            </el-form-item>
            <el-form-item label="价格" prop="goods_price" label-width="90px">
                <el-input v-model="editForm.goods_price " ></el-input>
            </el-form-item>
            <el-form-item label="数量" prop="goods_number" label-width="90px">
                <el-input v-model="editForm.goods_number " ></el-input>
            </el-form-item>
            <el-form-item label="重量" prop="goods_weight" label-width="90px">
                <el-input v-model="editForm.goods_weight " ></el-input>
            </el-form-item>
            <el-form-item label="介绍" prop="goods_introduce" label-width="90px">
                <el-input v-model="editForm.goods_introduce " ></el-input>
            </el-form-item>
    
            
            </el-form>

            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editGoodsInfo">确 定</el-button>
            </span>
            </el-dialog>



    </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            queryInfo:{
                // 查询参数对象
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表
            goodslist:[],
            // 总数据条数
            total:0,
            editDialogVisible:false,
            editForm:{},
            editFormRules:{
                goods_name:[
                    {
                        required:true,
                        message:'请输入商品名称',
                        trigger:'blur'
                    }
                ],
                goods_cat:[
                    {
                        required:true,
                        message:'请输入商品分类',
                        trigger:'blur'
                    }
                ],
                goods_price:[
                    {
                        required:true,
                        message:'请输入商品价格',
                        trigger:'blur'
                    }
                ],
                goods_number:[
                    {
                        required:true,
                        message:'请输入商品数量',
                        trigger:'blur'
                }],
                goods_weight:[
                    {
                        required:true,
                        message:'请输入商品重量',
                        trigger:'blur'
                    }
                ],
                goods_introduce:[
                    {
                        required:false,
                        message:'请输入商品介绍',
                        trigger:'blur'
                    }
                ]
            }
        };
    },

    created() {
        this.getGoodsList()
    },

    methods: {
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const{data:res} = await this.$http.get('goods',{
                params:this.queryInfo
            })
            if(res.meta.status!==200){
                return this.$message.error('获取商品列表失败')
            }
                this.$message.success('获取商品列表成功')
                console.log(res.data);
                this.goodslist = res.data.goods
                this.total = res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
        }).catch(err=>err)
        if(confirmResult !='confirm'){
            return this.$message.info('已取消删除')
        }
        const {data:res} = await this.$http.delete(`goods/${id}`)
        if(res.meta.status !==200){
            return this.$message.error('删除失败')
        }
        this.$message.success('删除成功')
        this.getGoodsList()
        },
        goAddpage(){
            this.$router.push('/goods/add')
        },
        
        async showEditDialog(id){
            const{data:res} = await this.$http.get('goods/'+id)
            if(res.meta.status !==200){
                return this.$message.error('查询用户信息失败')
            }
            this.editForm = res.data
            this.editDialogVisible = true
        },
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        // 修改用户信息并提交
        async editGoodsInfo(){
            this.$refs.editFormRef.validate( async valid=>{
                if(!valid)return 
                const{data:res} = await this.$http.put('goods/'+this.editForm.goods_id,{
                    goods_name:this.editForm.goods_name,
                    goods_price:this.editForm.goods_price,
                    goods_number:this.editForm.goods_number,
                    goods_weight:this.editForm.goods_weight,
                    goods_introduce:this.editForm.goods_introduce,
                    })
                if(res.meta.status !==200){
                    return this.$message.error('修改商品信息失败')
                }
                    this.$message.success('修改商品信息成功')
                    // 隐藏添加用户的对话框
                    this.editDialogVisible = false
                    // 重新获取用户列表数据
                    this.getGoodsList()
            })
        },
    },
};
</script>

<style lang="less" scoped>

</style>